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发明公开
CN105031801A 血管造影用指引导管、导管组件和血管造影方法 无效 - 驳回 复审申请

血管造影用指引导管、导管组件和血管造影方法
摘要：
本发明涉及血管造影用指引导管、导管组件和血管造影方法，导管组件包括指引导管和造影导管，指引导管包括前端设置有引导端头的管形本体，管形本体上于引导端头的后侧设置有与管形本体的内孔连通的侧方开口，导管组件还包括用于带着所述造影导管伸入所述管形本体的内孔中并使所述造影导管前端由所述侧方开口穿出的导丝。使用时，可先将指引导管伸入到主动脉弓内，使侧方开口与对应分支血管相对应，造影导管在导丝的配合下被同轴引入到指引导管内，然后转动导丝使造影导管的前端由指引导管上的侧方开口穿出并进入到对应血管中，然后进行造影操作，指引导管可以为造影导管提供有力的支撑作用，保证了造影过程的稳定性。
摘要（英）：

The invention relates to a guiding catheter and a catheter assembly for angiography and an angiography method. The catheter assembly comprises the guiding catheter and an angiography catheter. The guiding catheter comprises a tube-shaped body with a guiding end arranged at the front end, and a lateral opening communicated with an inner hole of the tube-shaped body is formed in part, on the rear side of the guiding end, of the tube-shaped body. The catheter assembly further comprises a guiding wire used for driving the angiography catheter to stretch into the inner hole of the tube-shaped body and enabling the front end of the angiography catheter to penetrate out of the lateral opening. When the catheter assembly is used, the guiding catheter can stretch into the arch of the arcus aortae firstly, the lateral opening is made to correspond to a corresponding branch blood vessel, the angiography catheter is coaxially led into the guiding catheter under the cooperation of the guiding wire, then the guiding wire is rotated to enable the front end of the angiography catheter to penetrate out of the lateral opening in the guiding catheter and enter the corresponding blood vessel, then angiography operation is carried out, the guiding catheter can play the strong supporting role for the angiography catheter, and the stability of the angiography process is ensured.

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